package com.zhao.blog.dao;

import com.zhao.blog.pojo.Blog;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
import org.springframework.data.jpa.repository.Modifying;
import org.springframework.data.jpa.repository.Query;
import org.springframework.transaction.annotation.Transactional;

import java.util.List;
import java.util.Locale;

/**
 * @author xiaoZhao
 * @date 2022/1/17
 * @describe
 */
public interface BlogDao extends JpaRepository<Blog, Long>, JpaSpecificationExecutor<Blog> {

    @Query("select b from t_blog b where b.reecommend=true")
    List<Blog> findTop(Pageable pageable);

    @Query("select b from t_blog b where b.title like ?1 or b.content like ?1")
    Page<Blog> findByQuery(String query,Pageable pageable);

    @Transactional
    @Modifying
    @Query("update t_blog b set b.views = b.views + 1 where b.id= ?1")
    int updateViews(Long id);

    @Query("select function('date_format',b.updateTime,'%Y') as year from t_blog b group by function('date_format',b.updateTime,'%Y') order by year desc ")
    List<String> findGroupByYear();

    @Query("select b from t_blog b where function('date_format',b.updateTime,'%Y') = ?1")
    List<Blog> findByYear(String year);
}
